import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String original = "<b>hello!</b><br><br><b><u>this is an example</u></b><br>";
		String separator = "(?!^)(?:(?<=>)|(?=<))";
		String[] results = original.split(separator);
		System.out.println(Arrays.toString(results));
	}
}